| rami laterales rami sinistri venae portae hepatis | Lateral branch of left branch of portal vein. See: lateral branches. (05 Mar 2000) |
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| rami mammarii laterales rami cutanei lateralis nervorum intercostalium | An alternate term for lateral mammary branches of lateral cutaneous branches of thoracic spinal nerves. (05 Mar 2000) |
| rami mammarii laterales rami cutanei lateralis nervorum thoracicorum | Branches arising from the lateral cutaneous branches of the ventral primary rami of spinal nerves (intercostal nerves) T-3 to T-6 which run anteriorly to supply the lateral aspect of the breast. Synonym: rami mammarii laterales rami cutanei lateralis nervorum thoracicorum, rami mammarii laterales rami cutanei lateralis nervorum intercostalium, lateral mammary branches of lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |
| rami mammarii mediales rami cutanei anterioris nervorum intercostalium | Medial mammary branches of anterior cutaneous branches of ventral primary rami of thoracic spinal nerves. See: medial mammary branches. (05 Mar 2000) |
| rami mammarii mediales rami cutanei anterioris ramorum ventralium nervorum thoracicorum | Medial mammary branches of anterior cutaneous branches of ventral primary rami of thoracic spinal nerves. See: medial mammary branches. (05 Mar 2000) |
| rami mammarii mediales rami perforantis arteriae thoracicae internae | Medial mammary branches of perforating branches of internal thoracic artery. See: medial mammary branches. (05 Mar 2000) |
| rami mediales rami sinistri venae portae hepatis | Medial branch of left branch of portal vein. See: medial branches. (05 Mar 2000) |
| radix cochlearis | <anatomy, nerve> One of the components of the vestibulocochlear nerve; it is made up of the central processes of the bipolar neurons which compose the spiral (cochlear) ganglion in the spiral canal of the modiolus of the bony cochlea; the cochlear root enters the cranial cavity by passing in fascicles through the spiral foraminous tract at the bottom of the internal auditory meatus; it enters the brainstem through the pontomedullary groove, closely adhering to the caudoventral aspect of the vestibular root, and distributes its fibres to the ventral and dorsal cochlear nuclei in the floor of the lateral recess of the fourth ventricle. Synonym: radix cochlearis, cochlear root of vestibulocochlear nerve, inferior root of vestibulocochlear nerve, radix inferior nervi vestibulocochlearis. (05 Mar 2000) |
| vas prominens ductus cochlearis | A blood vessel in the substance of the spiral prominence of the cochler duct. (05 Mar 2000) |
| ramus cochlearis arteriae labyrinthi | <anatomy, artery> Terminal branch (with vestibular branch) of labyrinthine artery; it divides into multiple fine branches which penetrate canals of modiolus to supply the plexus of the spiral lamina and basilar membrane. Synonym: ramus cochlearis arteriae labyrinthi. (05 Mar 2000) |
| recessus cochlearis | A small depression on the inner wall of the vestibule of the labyrinth at the portion of the pyramid of vestibule, between the two limbs into which the vestibular crest divides posteriorly; it is perforated by foramina giving passage to fibres which the cochlear branch of the vestibulocochlear nerve sends to the posterior extremity of the cochlear duct. Synonym: recessus cochlearis, Reichert's cochlear recess. (05 Mar 2000) |
| paries externus ductus cochlearis | The wall that faces the outer side of the cochlea. Synonym: paries externus ductus cochlearis. (05 Mar 2000) |
| paries tympanicus ductus cochlearis | The wall that separates the cochlear duct from the scala tympani; it consists of the osseous spiral lamina and the basilar membrane. Synonym: paries tympanicus ductus cochlearis, membrana spiralis, spiral membrane. (05 Mar 2000) |
| paries vestibularis ductus cochlearis | The membrane separating the cochlear duct from the vestibular canal; it consists of squamous epithelial cells with microvilli toward the ductus, a basement membrane, and a thin layer of connective tissue toward the scala. Synonym: membrana vestibularis, paries vestibularis ductus cochlearis, Reissner's membrane, vestibular wall of cochlear duct. (05 Mar 2000) |
| pars cochlearis nervi vestibulocochlearis | <anatomy, nerve> The cochlear part of the acoustic (8th cranial) nerve. The cochlear nerve fibres originate from neurons of the spiral ganglion and project peripherally to cochlear hair cells and centrally to the cochlear nuclei of the brainstem. They mediate the sense of hearing. (12 Dec 1998) |
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